Karcher 6997355 pump protection fuse

Protects pumps and prevents running dry. The float switch automatically starts and stops the pump and prevents running without liquid. Reliable protection against liquid-free operation for garden pumps, submersible pressure pumps and high pressure pumps. Protection against no liquid operation with 1" (33.3 mm) connection thread.

• If no water passes through the pump, e.g. because the water tank is empty, the pump turns off automatically to protect against damage.
• Especially suitable for booster pumps, to enable automatic monitoring of the water tank.

• Prevents damage to the pump due to lack of water.